global security conference. her biggest moment yet on the world stage. aides say she's set to focusing on european allies against russian aggression and plans to meet saturday with ukraine's president. norah. >> o'donnell: ed o'keefe, thank you. now to the front lines in ukraine and the village that was allegedly shelled by those russian-backed force in a possible false flag operations. children were forced to take shelter in the basement during the attack. cbs' holly williams was the only broadcast network correspondent who visited the school. >> reporter: ukraine says that russian-backed separatists fired heavy artillery into this village, stanytsia luhanska, reportedly injuring three people and hitting this kindergarten. you can see some of the damage. this is where children would have normally been playing. reportedly, some of the children took shelter in the basement here. others were evacuated by their parents. it must have been terrifying for the children involved. we understand that none of them were injured. we were transported out here by